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List: gtk-devel
Subject: Re: #50218 - Notification on write-only properties is questionable/problematic
From: Bill Haneman <Bill.Haneman () Sun ! COM>
Date: 2001-03-28 17:33:32
[Download RAW message or body]
>To: Bill Haneman <Bill.Haneman@Sun.COM>
>Cc: timj@gtk.org, gtk-devel-list@gnome.org
>Subject: Re: #50218 - Notification on write-only properties is
questionable/problematic
>From: Owen Taylor <otaylor@redhat.com>
>Date: 28 Mar 2001 12:27:37 -0500
>User-Agent: Gnus/5.0807 (Gnus v5.8.7) Emacs/20.7
>
>
>Bill Haneman <Bill.Haneman@Sun.COM> writes:
...
>> I'm a little worried about preventing this notification...
...
>The point here is: what would you do when you got
>notification of a change to a writeonly property? You can't
>retrieve the new value...
Yep, it would only be useful if we knew the internals
well enough to predict the knock-on effects, and
queried them.
>The only writeonly property I know of in GTK+ at the
>moment is GtkLabel::pattern, which is an alternate
>method of setting the ::attributes property, which
>is read-write.
...
>When you set the ::pattern attribute, you get notification
>that ::attributes has changed.
>
>I expect that most write-only attributes will be like
>this - an alternate way of setting a readwrite property.7
Yes, for ::pattern it is a non-issue. I hope that's
generally the case!
-Bill
>Regards,
> Owen
------
Bill Haneman x19279
Gnome Accessibility / Batik SVG Toolkit
Sun Microsystems Ireland
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